Skywaves Rise
Senior Dotnet Developer
Skills
6 days ago
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Important information
Contract type:
Freelance / Contract
Location:
Gauteng, South Africa
Work mode:
Onsite
Published on:
16 October 2026
What they need
Location: Johannesburg, South Africa
Duration: 12-month renewable contract
Work Model: Monday–Thursday in office | Friday remote
Key Technical Skills:
.NET 8+ and C# 12+
ASP.NET Core, REST APIs and microservices
Dapper, EF Core and advanced SQL Server optimization
Event-driven architecture: Kafka, RabbitMQ or Azure Service Bus
Redis caching and distributed systems
Azure DevOps, CI/CD and release management
Automated testing, SOLID principles and performance profiling
Looking for someone who can:
Drive technical design and code quality
Optimize high-throughput applications and databases
Mentor developers and lead technical discussions
Take ownership of production incidents and system reliability
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